diff --git a/hbmqtt/broker.py b/hbmqtt/broker.py
index de51571..61d8de8 100644
--- a/hbmqtt/broker.py
+++ b/hbmqtt/broker.py
@@ -43,7 +43,7 @@ EVENT_BROKER_CLIENT_UNSUBSCRIBED = "broker_client_unsubscribed"
 EVENT_BROKER_MESSAGE_RECEIVED = "broker_message_received"
 
 
-class BrokerException(BaseException):
+class BrokerException(Exception):
     pass